Once only indicated through a sketch by Leonardo da Vinci from around 1495, concealed passageways have been discovered ...

Also known as Ludovico il Moro, Sforza was the duke of Milan from 1494 to 1498. Historical sources indicate the grief-stricken duke would have built the tunnel for easy access to reach his late ...

Leonardo da Vinci spent time at the castle during the late 1400s as a member of the court of Duke Ludovico Sforza.(Representational) The Politecnico di Milano or The Polytechnic University of ...